<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">

    <title>测试</title>
    <style>
        .father{
            /*height:500px;*/
            /*width: 500px;*/
            background-color: gray;
            border: 1px solid;
            text-align: center;
        /*padding-top: 100px;*/
        }
        .son{
            height: 100px;
            width: 100px;
            /*background:url("JD/images/logo.png");*/
            /*background-color:rgba(255, 255, 255, 0.3);*/
            background:url("JD/images/logo.png") no-repeat;
        /*float: left;*/
        }
        .son1{
            /*float: left;*/
            height: 100px;
            width: 100px;
            background:url("JD/images/logo.png") no-repeat;
            /*background-color: rgba(255, 255, 255, 0.3);*/
        }
        .son2{
            /*float: left;*/
            /*height: 120px;*/
            /*width: 300px;*/
            height: 100px;
            width: 100px;
            background:url("JD/images/logo.png") no-repeat;
            /*background-color: red;*/
        }
    </style>
</head>
<body>
<div class="father">
    <div class="son"></div>
    <div class="son1">

    </div>
    <div class="son2">

    </div>

</div>
</body>
<script>
   var  arr = [1,2,3,4,5];
   console.log(arr);
    arr.every(function (t) {
        console.log(t);
        return true;
    });
</script>
</html>
